Unity Motorhome
101
Water and Plumbing System
Macerator
Your motorhome may be equipped with a
macerator (1). The macerator breaks down the
solid matter in the black water holding tank.
Operate the macerator as follows:
1. Extend the macerator waste hose (2) stored
in the exterior utility center and connect to a
sewer hook-up.
2. Open the black water tank dump valve (3).
3. Turn on the macerator pump switch (4).
4. Turn off the macerator pump switch (4)
when the tank is empty.
Refer to the macerator manual located in
the Motorhome Information Kit for further
information.
Holding Tank – Do’s and Don’ts
DO keep your holding tank clean using a
cleaning agent approved for recreational
vehicle sanitation systems.
DO add a special deodorizer or chemical
additive approved for recreational vehicle
sanitation systems to reduce odor and help
break down waste.
DO keep both tank dump valves closed to
enable the tanks to ll before emptying.
DO keep both tank dump valves closed and the
drain cap tightly in place while travelling.
DO use soft, single-ply, non-dyed, biodegradable
toilet tissue.
DO open the shower room vent to provide fresh
air and reduce excessive moisture buildup.
DO keep all roof vents and windows closed
when travelling to prevent odors caused by
negative pressure.
DON’T put facial tissues, paper, permanent
(automotive) antifreeze, sanitary napkins, or
household toilet cleansers in your holding tank.
DON’T put anything solid in your holding
tank that could scratch or damage the plastic
components.
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DON’T use any mechanical drain cleaning
devices unless the in-line trap has been
removed.
Using On-Site Sewer Hook-Ups
When staying at a campsite where sewer hook-
up is available, the sewer hose may be attached
and left in place for the duration of the stay.
Do NOT leave the dump valves open. Open the
dump valves only when the tanks are full, or
when you are ready to leave the campsite. This
will keep solid wastes in suspension allowing
them to drain with the liquids when you open
the valves. If the valves are left open, the liquid
waste will drain, leaving the solids to collect on
the oor of the black water holding tank. If solids
collect, close the valves, ll the tank with water,
and drive a few miles. You can also help clean
the tank by adding 1/4 cup of dish detergent
to the water. The motion of the vehicle and the
water will help dislodge the wastes and allow
the tank to drain in the usual manner.
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